Zaralek Cavern is the newest zone players will explore in Patch 10.1, Embers of Neltharion. An enormous cave system hidden underneath the Dragon Isles, Zaralek Cavern served as a laboratory in which Neltharion conducted twisted experiments and the place in which the Earth-Warder first communed with the Old Gods, starting the path that would eventually lead him to become Deathwing.
Zaralek Cavern is also home to several creatures: